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Finding the Fourth Proportional to 239,803.36, 330,928.70 and 132,373.47

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Solution

The fourth proportional to 239,803.36, 330,928.70 and 132,373.47 is: 182,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,803.36 : 330,928.70 = 132,373.47 : x
  2. Step 2: Convert to fraction form
    239,803.36/330,928.70 = 132,373.47/x
  3. Step 3: Cross multiply
    239,803.36x = 330,928.70 × 132,373.47
  4. Step 4: Simplify right side
    239,803.36x = 43,806,180,341.59
  5. Step 5: Solve for x
    x = 43,806,180,341.59/239,803.36
  6. Step 6: Final answer
    x = 182,675.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.